+ Added Hazmat protection to EMT, Gravisuit and Adv. Solar items. Closes #590.

+ Added a hard crash if materials are not found within GT.
+ Added a check for KekzTech and cached some mod checks.
+ Added pollution/s to Geothermal generators. Fixes #579.
$ Fixed Wither Cages being unbreakable. Fixes #587
$ Fixed centrifuging of logs to Methane. Fixes #595.

8 files changed, 275 insertions, 80 deletions

diff --git a/src/Java/gtPlusPlus/core/block/general/antigrief/BlockWitherProof.java b/src/Java/gtPlusPlus/core/block/general/antigrief/BlockWitherProof.java
index ed531cef2d..2210e68e8a 100644
--- a/src/Java/gtPlusPlus/core/block/general/antigrief/BlockWitherProof.java
+++ b/src/Java/gtPlusPlus/core/block/general/antigrief/BlockWitherProof.java
@@ -12,6 +12,8 @@ import net.minecraft.entity.EnumCreatureType;
 import net.minecraft.entity.boss.EntityDragon;
 import net.minecraft.entity.boss.EntityWither;
 import net.minecraft.entity.boss.IBossDisplayData;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.world.Explosion;
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
@@ -105,6 +107,60 @@ public class BlockWitherProof extends Block{
 		return false;
 	}
 
+	@Override
+	public void breakBlock(World p_149749_1_, int p_149749_2_, int p_149749_3_, int p_149749_4_, Block p_149749_5_, int p_149749_6_) {
+		super.breakBlock(p_149749_1_, p_149749_2_, p_149749_3_, p_149749_4_, p_149749_5_, p_149749_6_);
+	}
+
+	@Override
+	public float getPlayerRelativeBlockHardness(EntityPlayer aPlayer, World p_149737_2_, int p_149737_3_, int p_149737_4_, int p_149737_5_) {
+		if (aPlayer != null && aPlayer instanceof EntityPlayerMP) {
+			return 1f;
+		}
+		return -1f;
+	}
+
+	@Override
+	public float getExplosionResistance(Entity p_149638_1_) {
+		return Float.MAX_VALUE;
+	}
+
+	@Override
+	public void onBlockClicked(World p_149699_1_, int p_149699_2_, int p_149699_3_, int p_149699_4_, EntityPlayer p_149699_5_) {
+		super.onBlockClicked(p_149699_1_, p_149699_2_, p_149699_3_, p_149699_4_, p_149699_5_);
+	}
+
+	@Override
+	public void onEntityCollidedWithBlock(World world, int x, int y, int z, Entity entity) {		
+		if ((entity == null) || !entity.isEntityAlive()){
+			return;
+		}
+		if ((entity instanceof EntityWither) || (entity instanceof EntityDragon) || (entity instanceof IBossDisplayData)){
+			return;
+		}
+		else {
+			super.onEntityCollidedWithBlock(world, x, y, z, entity);
+		}
+	}
+
+	@Override
+	public void harvestBlock(World p_149636_1_, EntityPlayer p_149636_2_, int p_149636_3_, int p_149636_4_, int p_149636_5_, int p_149636_6_) {
+		super.harvestBlock(	p_149636_1_, p_149636_2_, p_149636_3_, p_149636_4_, p_149636_5_, p_149636_6_);
+	}
+
+	@Override
+	public boolean canHarvestBlock(EntityPlayer player, int meta) {
+		if (player != null && player instanceof EntityPlayerMP) {
+			return true;
+		}
+		return super.canHarvestBlock(player, meta);
+	}
+
+	@Override
+	public float getExplosionResistance(Entity par1Entity, World world, int x, int y, int z, double explosionX, double explosionY, double explosionZ) {
+		return Float.MAX_VALUE;
+	}
+
 
 
 }
diff --git a/src/Java/gtPlusPlus/core/lib/LoadedMods.java b/src/Java/gtPlusPlus/core/lib/LoadedMods.java
index d96875b811..329cf634b6 100644
--- a/src/Java/gtPlusPlus/core/lib/LoadedMods.java
+++ b/src/Java/gtPlusPlus/core/lib/LoadedMods.java
@@ -2,6 +2,8 @@ package gtPlusPlus.core.lib;
 
 import static gtPlusPlus.core.lib.CORE.*;
 
+import java.util.HashMap;
+
 import cpw.mods.fml.common.Loader;
 
 import gtPlusPlus.api.objects.Logger;
@@ -50,6 +52,7 @@ public class LoadedMods {
 	public static boolean Mekanism = false;
 	public static boolean RedTech = false; //RedMage's Mod
 	public static boolean TecTech = false; //Technus' Mod
+	public static boolean KekzTech = false; //KekzDealers' Mod
 	public static boolean TiCon = false;
 	public static boolean StevesCarts = false;
 	public static boolean Witchery = false;
@@ -63,7 +66,7 @@ public class LoadedMods {
 	@SuppressWarnings("deprecation")
 	public static void checkLoaded(){
 		Logger.INFO("Looking for optional mod prereqs.");
-		if (Loader.isModLoaded("gregtech") ){
+		if (isModLoaded("gregtech") ){
 			Gregtech = true;
 			Logger.INFO("Components enabled for: Gregtech");
 			if (Gregtech){
@@ -80,140 +83,140 @@ public class LoadedMods {
 
 			totalMods++;
 		}
-		if (Loader.isModLoaded("dreamcraft")){
+		if (isModLoaded("dreamcraft")){
 			DreamCraft = true;
 			GTNH = true;
 			Logger.INFO("Components enabled for: DreamCraft");
 			Logger.INFO("Components enabled for: GT: New Horizons");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("beyondrealitycore")){
+		if (isModLoaded("beyondrealitycore")){
 			BeyondRealityCore = true;
 			BRC = true;
 			Logger.INFO("Components enabled for: Beyond Reality");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("PlayerAPI")){
+		if (isModLoaded("PlayerAPI")){
 			PlayerAPI = true;
 			Logger.INFO("Components enabled for: PlayerAPI");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("berriespp")) {
+		if (isModLoaded("berriespp")) {
 			CropsPlusPlus = true;
 			Logger.INFO("Components enabled for: Crops++");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("xreliquary")) {
+		if (isModLoaded("xreliquary")) {
 			Reliquary = true;
 			Logger.INFO("Components enabled for: Reliquary");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("TConstruct")){
+		if (isModLoaded("TConstruct")){
 			TiCon = true;
 			Logger.INFO("Components enabled for: Tinkers Construct");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("BuildCraft")){
+		if (isModLoaded("BuildCraft")){
 			BuildCraft = true;
 			Logger.INFO("Components enabled for: BuildCraft");
 			totalMods++;
 		}
-		if ((Loader.isModLoaded("EnderIO")) && !ConfigSwitches.disableEnderIOIntegration){
+		if ((isModLoaded("EnderIO")) && !ConfigSwitches.disableEnderIOIntegration){
 			EnderIO = true;
 			Logger.INFO("Components enabled for: EnderIO");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("BigReactors")){
+		if (isModLoaded("BigReactors")){
 			Big_Reactors = true;
 			Logger.INFO("Components enabled for: Big Reactors");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("IC2")){
+		if (isModLoaded("IC2")){
 			IndustrialCraft2 = true;
 			Logger.INFO("Components enabled for: IndustrialCraft2");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("IC2-Classic-Spmod")){
+		if (isModLoaded("IC2-Classic-Spmod")){
 			IndustrialCraft2Classic = true;
 			Logger.INFO("Components enabled for: IndustrialCraft2-Classic");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("simplyjetpacks")){
+		if (isModLoaded("simplyjetpacks")){
 			Simply_Jetpacks = true;
 			Logger.INFO("Components enabled for: Simply Jetpacks");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("rftools")){
+		if (isModLoaded("rftools")){
 			RFTools = true;
 			Logger.INFO("Components enabled for: RFTools");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("StevesCarts")){
+		if (isModLoaded("StevesCarts")){
 			StevesCarts = true;
 			Logger.INFO("Components enabled for: StevesCarts");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("OpenBlocks")){
+		if (isModLoaded("OpenBlocks")){
 			OpenBlocks = true;
 			Logger.INFO("Components enabled for: OpenBlocks");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Thaumcraft")){
+		if (isModLoaded("Thaumcraft")){
 			Thaumcraft = true;
 			Logger.INFO("Components enabled for: Thaumcraft");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("BiomesOPlenty")){
+		if (isModLoaded("BiomesOPlenty")){
 			BiomesOPlenty = true;
 			Logger.INFO("Components enabled for: BiomesOPlenty");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("ExtraUtilities")){
+		if (isModLoaded("ExtraUtilities")){
 			Extra_Utils = true;
 			Logger.INFO("Components enabled for: Extra_Utils");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("harvestcraft")){
+		if (isModLoaded("harvestcraft")){
 			PamsHarvestcraft = true;
 			Logger.INFO("Components enabled for: PamsHarvestcraft");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("PneumaticCraft")){
+		if (isModLoaded("PneumaticCraft")){
 			PneumaticCraft = true;
 			Logger.INFO("Components enabled for: PneumaticCraft");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("MorePlanet")){
+		if (isModLoaded("MorePlanet")){
 			MorePlanets  = true;
 			Logger.INFO("Components enabled for: MorePlanets");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("ForbiddenMagic")){
+		if (isModLoaded("ForbiddenMagic")){
 			ForbiddenMagic  = true;
 			Logger.INFO("Components enabled for: ForbiddenMagic");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("CompactWindmills")){
+		if (isModLoaded("CompactWindmills")){
 			CompactWindmills  = true;
 			Logger.INFO("Components enabled for: CompactWindmills");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Railcraft")){
+		if (isModLoaded("Railcraft")){
 			Railcraft  = true;
 			Logger.INFO("Components enabled for: Railcraft");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Waila")){
+		if (isModLoaded("Waila")){
 			Waila  = true;
 			Logger.INFO("Components enabled for: WAILA");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Mekanism")){
+		if (isModLoaded("Mekanism")){
 			Mekanism  = true;
 			Logger.INFO("Components enabled for: Mekanism - This feature is not configurable and balances Mekanism to suit GT.");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Growthcraft")){
+		if (isModLoaded("Growthcraft")){
 			Logger.INFO("Growthcraft Version: "+getModVersion("Growthcraft"));
 			if (getModVersion("Growthcraft").equals("1.7.10-2.3.1")){
 				//Load Growthcraft Compat
@@ -226,67 +229,67 @@ public class LoadedMods {
 				Logger.INFO("Growthcraft found, but the version was too new. I will update GC support eventually.");
 			}
 		}
-		if (Loader.isModLoaded("CoFHCore")){
+		if (isModLoaded("CoFHCore")){
 			CoFHCore  = true;
 			Logger.INFO("Components enabled for: CoFHCore");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Forestry")){
+		if (isModLoaded("Forestry")){
 			Forestry  = true;
 			Logger.INFO("Components enabled for: Forestry");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("MagicBees")){
+		if (isModLoaded("MagicBees")){
 			MagicBees  = true;
 			Logger.INFO("Components enabled for: MagicBees");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("psychedelicraft")){
+		if (isModLoaded("psychedelicraft")){
 			Psychedelicraft  = true;
 			Logger.INFO("Components enabled for: Psychedelicraft");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("ImmersiveEngineering")){
+		if (isModLoaded("ImmersiveEngineering")){
 			ImmersiveEngineering  = true;
 			Logger.INFO("Components enabled for: ImmersiveEngineering");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("ExtraBees")){
+		if (isModLoaded("ExtraBees")){
 			ExtraBees  = true;
 			Logger.INFO("Components enabled for: ExtraBees");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("ThermalFoundation") == false){
+		if (isModLoaded("ThermalFoundation") == false){
 			ThermalFoundation  = false;
 			Logger.INFO("Components enabled for: ThermalFoundation - This feature will disable itself if you add TF.");
 			totalMods++;
 		}
-		else if (Loader.isModLoaded("ThermalFoundation")){
+		else if (isModLoaded("ThermalFoundation")){
 			ThermalFoundation  = true;
 			Logger.INFO("Components disabled for: ThermalFoundation - This feature will enable itself if you remove TF.");
 			//totalMods++;
 		}
-		if (Loader.isModLoaded("ihl")){
+		if (isModLoaded("ihl")){
 			IHL  = true;
 			Logger.INFO("Components enabled for: IHL");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("Baubles")){
+		if (isModLoaded("Baubles")){
 			Baubles  = true;
 			Logger.INFO("Components enabled for: Baubles");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("GalacticraftCore")){
+		if (isModLoaded("GalacticraftCore")){
 			GalacticraftCore  = true;
 			Logger.INFO("Components enabled for: Galacticraft Core");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("OpenComputers")){
+		if (isModLoaded("OpenComputers")){
 			OpenComputers  = true;
 			Logger.INFO("Components enabled for: OpenComputers");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("computronics")){
+		if (isModLoaded("computronics")){
 			Computronics  = true;
 			Logger.INFO("Components disabled for: Computronics - This feature will enable itself if you remove Computronics.");
 			totalMods++;
@@ -294,17 +297,22 @@ public class LoadedMods {
 		else {
 			Logger.INFO("Components enabled for: Computronics - This feature will disable itself if you add Computronics.");
 		}
-		if (Loader.isModLoaded("GTRedtech")){
+		if (isModLoaded("GTRedtech")){
 			RedTech  = true;
 			Logger.INFO("Components enabled for: GTRedtech");
 			totalMods++;
 		}
-		if (Loader.isModLoaded("tectech")){
+		if (isModLoaded("tectech")){
 			TecTech  = true;
 			Logger.INFO("Components enabled for: TecTech");
 			totalMods++;
+		}
+		if (isModLoaded("kekztech")){
+			KekzTech  = true;
+			Logger.INFO("Components enabled for: KekzTech");
+			totalMods++;
 		}	
-		if (Loader.isModLoaded("witchery")){
+		if (isModLoaded("witchery")){
 			Witchery  = true;
 			Logger.INFO("Components enabled for: Witchery");
 			totalMods++;
@@ -318,5 +326,17 @@ public class LoadedMods {
 		final String ver = cpw.mods.fml.common.FMLCommonHandler.instance().findContainerFor(modName).getVersion();
 		return ver;
 	}
+	
+	private static final HashMap<String, Boolean> mLoadedModCache = new HashMap<String, Boolean>();
+
+	public static boolean isModLoaded(String aModName) {
+		Boolean aResult = mLoadedModCache.get(aModName);
+		if (aResult == null) {
+			boolean aTemp = Loader.isModLoaded(aModName);
+			mLoadedModCache.put(aModName, aTemp);
+			aResult = aTemp;
+		}
+		return aResult;
+	}
 
 }
diff --git a/src/Java/gtPlusPlus/core/recipe/RECIPES_GREGTECH.java b/src/Java/gtPlusPlus/core/recipe/RECIPES_GREGTECH.java
index cf2242067f..cd02a297a7 100644
--- a/src/Java/gtPlusPlus/core/recipe/RECIPES_GREGTECH.java
+++ b/src/Java/gtPlusPlus/core/recipe/RECIPES_GREGTECH.java
@@ -1752,27 +1752,7 @@ public class RECIPES_GREGTECH {
 
 	}
 
-	private static void centrifugeRecipes() {
-
-		//Try use all woods found, fix/add methane extraction.
-		ArrayList<ItemStack> aLogData = OreDictionary.getOres("logWood");
-		ArrayList<ItemStack> aRubberLogs = OreDictionary.getOres("logRubber");
-		if (!aLogData.isEmpty() && !aRubberLogs.isEmpty()) {
-			Logger.INFO("Fixing Methane output of centrifuged logs.");			
-			//First Check to see if it's a rubber log
-			for (ItemStack stack : aLogData) {				
-				if (aRubberLogs.contains(stack)) {
-					if (GT_Values.RA.addCentrifugeRecipe(GT_Utility.copyAmount(1L, stack), null, null, Materials.Methane.getGas(60L), ItemList.IC2_Resin.get(1L, new Object[0]), GT_ModHandler.getIC2Item("plantBall", 1L), GT_OreDictUnificator.get(OrePrefixes.dust, Materials.Carbon, 1L), GT_OreDictUnificator.get(OrePrefixes.dust, Materials.Wood, 1L), null, null, new int[] { 5000, 3750, 2500, 2500 }, 200, 20)) {
-						Logger.INFO("Added rubber plant based methane extraction for "+ItemUtils.getItemName(stack));	
-					}
-				}
-				else {
-					if (GT_Values.RA.addCentrifugeRecipe(GT_Utility.copyAmount(1L, stack), null, null, Materials.Methane.getGas(60L), GT_Values.NI, GT_Values.NI, GT_Values.NI, GT_Values.NI, GT_Values.NI, GT_Values.NI, null, 200, 20)) {
-						Logger.INFO("Added methane extraction for "+ItemUtils.getItemName(stack));	
-					}
-				}
-			}			
-		}		
+	private static void centrifugeRecipes() {				
 
 		GT_Values.RA.addCentrifugeRecipe(ItemUtils.getItemStackOfAmountFromOreDict("dustThorium", 8), GT_Values.NI,
 				GT_Values.NF, GT_Values.NF, ELEMENT.getInstance().THORIUM232.getDust(2),
diff --git a/src/Java/gtPlusPlus/core/util/minecraft/HazmatUtils.java b/src/Java/gtPlusPlus/core/util/minecraft/HazmatUtils.java
index d69dd5d66e..be57853dda 100644
--- a/src/Java/gtPlusPlus/core/util/minecraft/HazmatUtils.java
+++ b/src/Java/gtPlusPlus/core/util/minecraft/HazmatUtils.java
@@ -18,6 +18,7 @@ import gtPlusPlus.GTplusplus;
 import gtPlusPlus.GTplusplus.INIT_PHASE;
 import gtPlusPlus.api.objects.Logger;
 import gtPlusPlus.api.objects.data.AutoMap;
+import gtPlusPlus.core.lib.LoadedMods;
 import gtPlusPlus.core.util.Utils;
 import ic2.core.item.armor.ItemArmorHazmat;
 import ic2.core.item.armor.ItemArmorNanoSuit;
@@ -35,6 +36,38 @@ public class HazmatUtils {
 
 	private static boolean mInit = false;
 	private static HazmatUtils mInstance;
+	
+	private static final String[] mDefaultHazmat = new String[] {
+			"IC2:itemArmorNanoHelmet:27",
+			"IC2:itemArmorNanoChestplate:27",
+			"IC2:itemArmorNanoLegs:27",
+			"IC2:itemArmorNanoBoots:27",
+
+			"IC2:itemArmorQuantumHelmet:27",
+			"IC2:itemArmorQuantumChestplate:27",
+			"IC2:itemArmorQuantumLegs:27",
+			"IC2:itemArmorQuantumBoots:27",
+	};
+	
+
+	private static final String[] mGravisuit = new String[] {
+			"GraviSuite:advNanoChestPlate:27",
+			"GraviSuite:graviChestPlate:27",
+	};
+	private static final String[] mElectroMagicTools = new String[] {
+			"EMT:NanosuitGogglesRevealing:27",
+			"EMT:NanoBootsTraveller:27",
+			"EMT:NanosuitWing:27",
+			"EMT:itemArmorQuantumChestplate:27",
+			"EMT:QuantumGogglesRevealing:27",
+			"EMT:QuantumBootsTraveller:27",
+			"EMT:QuantumWing:27",
+	};
+	private static final String[] mAdvancedSolarPanels = new String[] {
+			"AdvancedSolarPanel:advanced_solar_helmet:27",
+			"AdvancedSolarPanel:hybrid_solar_helmet:27",
+			"AdvancedSolarPanel:ultimate_solar_helmet:27",
+	};
 
 	public static void init() {
 		if (mInit) {
@@ -49,19 +82,36 @@ public class HazmatUtils {
 		sHazmatList.add(GT_ModHandler.getIC2Item("hazmatBoots", 1L, 32767));
 
 		// Make Nano a hazmat suit
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorNanoHelmet:27", 1));
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorNanoChestplate:27", 1));
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorNanoLegs:27", 1));
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorNanoBoots:27", 1));
-
-		Logger.INFO("[Hazmat] Registered Nano as hazmat gear.");
-
-		// Make Quantum a hazmat suit
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorQuantumHelmet:27", 1));
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorQuantumChestplate:27", 1));
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorQuantumLegs:27", 1));
-		addProtection(ItemUtils.getItemStackFromFQRN("IC2:itemArmorQuantumBoots:27", 1));
-		Logger.INFO("[Hazmat] Registered Quantum as hazmat gear.");
+		// Make Quantum a hazmat suit		
+		
+
+		if (LoadedMods.IndustrialCraft2 || LoadedMods.IndustrialCraft2Classic) {
+			for (String aItemName : mDefaultHazmat) {				
+				addProtection(ItemUtils.getItemStackFromFQRN(aItemName, 1));
+			}
+			Logger.INFO("[Hazmat] Registered IC2 Items as hazmat gear.");
+		}
+		
+		if (LoadedMods.isModLoaded("EMT")) {
+			for (String aItemName : mElectroMagicTools) {				
+				addProtection(ItemUtils.getItemStackFromFQRN(aItemName, 1));
+			}
+			Logger.INFO("[Hazmat] Registered EMT Items as hazmat gear.");
+		}
+		
+		if (LoadedMods.isModLoaded("GraviSuite")) {
+			for (String aItemName : mGravisuit) {				
+				addProtection(ItemUtils.getItemStackFromFQRN(aItemName, 1));
+			}
+			Logger.INFO("[Hazmat] Registered Gravisuit Items as hazmat gear.");
+		}
+		
+		if (LoadedMods.isModLoaded("AdvancedSolarPanel")) {
+			for (String aItemName : mAdvancedSolarPanels) {				
+				addProtection(ItemUtils.getItemStackFromFQRN(aItemName, 1));
+			}
+			Logger.INFO("[Hazmat] Registered Adv. Solar Items as hazmat gear.");
+		}	
 
 		Utils.registerEvent(mInstance);
 		Logger.INFO("[Hazmat] Registered Tooltip handler for hazmat gear.");
diff --git a/src/Java/gtPlusPlus/core/util/minecraft/MaterialUtils.java b/src/Java/gtPlusPlus/core/util/minecraft/MaterialUtils.java
index 9c623bb9be..2108087542 100644
--- a/src/Java/gtPlusPlus/core/util/minecraft/MaterialUtils.java
+++ b/src/Java/gtPlusPlus/core/util/minecraft/MaterialUtils.java
@@ -352,7 +352,8 @@ public class MaterialUtils {
 		}
 		if (g == null) {
 			Logger.INFO("Failed finding material '"+aMaterialName+"' & fallback '"+aFallbackMaterialName+"', returning _NULL.");
-			g = Materials._NULL;
+			CORE.crash();
+			//g = Materials._NULL;
 		}
 		return g;		
 	}
diff --git a/src/Java/gtPlusPlus/xmod/gregtech/HANDLER_GT.java b/src/Java/gtPlusPlus/xmod/gregtech/HANDLER_GT.java
index 80839f0f64..663804bc81 100644
--- a/src/Java/gtPlusPlus/xmod/gregtech/HANDLER_GT.java
+++ b/src/Java/gtPlusPlus/xmod/gregtech/HANDLER_GT.java
@@ -50,6 +50,7 @@ import gtPlusPlus.xmod.gregtech.loaders.ProcessingElectricButcherKnife;
 import gtPlusPlus.xmod.gregtech.loaders.ProcessingElectricLighter;
 import gtPlusPlus.xmod.gregtech.loaders.ProcessingElectricSnips;
 import gtPlusPlus.xmod.gregtech.loaders.ProcessingToolHeadChoocher;
+import gtPlusPlus.xmod.gregtech.loaders.misc.WoodCentrifuging;
 import gtPlusPlus.xmod.gregtech.loaders.recipe.RecipeLoader_AlgaeFarm;
 import gtPlusPlus.xmod.gregtech.recipes.RecipesToRemove;
 import gtPlusPlus.xmod.gregtech.registration.gregtech.GregtechConduits;
@@ -145,6 +146,7 @@ public class HANDLER_GT {
 		convertPyroToCokeOven();
 		Meta_GT_Proxy.fixIC2FluidNames();
 		RecipeLoader_AlgaeFarm.generateRecipes();
+		WoodCentrifuging.processLogsForMethane();
 	}
 
 	private static void convertPyroToCokeOven() {
diff --git a/src/Java/gtPlusPlus/xmod/gregtech/common/tileentities/generators/GregtechMetaTileEntityGeothermalGenerator.java b/src/Java/gtPlusPlus/xmod/gregtech/common/tileentities/generators/GregtechMetaTileEntityGeothermalGenerator.java
index 5ebdbf0ef8..cfbf7bd487 100644
--- a/src/Java/gtPlusPlus/xmod/gregtech/common/tileentities/generators/GregtechMetaTileEntityGeothermalGenerator.java
+++ b/src/Java/gtPlusPlus/xmod/gregtech/common/tileentities/generators/GregtechMetaTileEntityGeothermalGenerator.java
@@ -38,7 +38,8 @@ extends GT_MetaTileEntity_BasicGenerator
 
 	@Override
 	public String[] getDescription() {
-		return new String[]{this.mDescription, "Generates power at " + this.getEfficiency() + "% Efficiency per tick"};
+		String aPollution = "Causes between "+this.getPollution()+ " Pollution per second";	
+		return new String[]{this.mDescription, "Generates power at " + this.getEfficiency() + "% Efficiency per tick", aPollution};
 	}
 
 	@Override
diff --git a/src/Java/gtPlusPlus/xmod/gregtech/loaders/misc/WoodCentrifuging.java b/src/Java/gtPlusPlus/xmod/gregtech/loaders/misc/WoodCentrifuging.java
new file mode 100644
index 0000000000..2d7cd1b73b
--- /dev/null
+++ b/src/Java/gtPlusPlus/xmod/gregtech/loaders/misc/WoodCentrifuging.java
@@ -0,0 +1,85 @@
+package gtPlusPlus.xmod.gregtech.loaders.misc;
+
+import java.util.ArrayList;
+
+import gregtech.api.enums.GT_Values;
+import gregtech.api.enums.ItemList;
+import gregtech.api.enums.Materials;
+import gregtech.api.enums.OrePrefixes;
+import gregtech.api.util.GT_ModHandler;
+import gregtech.api.util.GT_OreDictUnificator;
+import gregtech.api.util.GT_Recipe;
+import gregtech.api.util.GT_Utility;
+import gtPlusPlus.api.objects.Logger;
+import gtPlusPlus.core.util.minecraft.ItemUtils;
+import net.minecraft.item.ItemStack;
+import net.minecraftforge.oredict.OreDictionary;
+
+public class WoodCentrifuging {
+
+	private static final ArrayList<ItemStack> aLogData;
+	private static final ArrayList<ItemStack> aRubberLogs;
+	private static final ArrayList<ItemStack> aRubberLogs2;
+	
+	static {
+		aLogData = OreDictionary.getOres("logWood");
+		aRubberLogs = OreDictionary.getOres("logRubber");
+		aRubberLogs2 = OreDictionary.getOres("woodRubber");
+	}
+	
+	private static boolean isNormalLog(ItemStack aStack) {
+		if (aLogData.contains(aStack) & !isRubberLog(aStack)) {
+			return true;
+		}
+		return false;
+	}
+	
+	private static boolean isRubberLog(ItemStack aStack) {
+		if (aRubberLogs.contains(aStack)) {
+			return true;
+		}
+		else if (aRubberLogs2.contains(aStack)) {
+			return true;
+		}		
+		return false;
+	}
+	
+
+	private static boolean addCentrifugeRecipe(ItemStack aStack) {
+		if (isNormalLog(aStack)) {
+			return addNormalLogCentrifugeRecipe(aStack);
+		}
+		else if (isRubberLog(aStack)) {
+			return addRubberLogCentrifugeRecipe(aStack);			
+		}
+		return false;
+	}
+
+	private static boolean addNormalLogCentrifugeRecipe(ItemStack aStack) {
+		GT_Recipe aFoundRecipe = GT_Recipe.GT_Recipe_Map.sCentrifugeRecipes.findRecipe(null, false, gregtech.api.enums.GT_Values.V[1], null, new ItemStack[]{aStack});
+		if (aFoundRecipe == null && GT_Values.RA.addCentrifugeRecipe(GT_Utility.copyAmount(1L, aStack), null, null, Materials.Methane.getGas(60L), GT_Values.NI, GT_Values.NI, GT_Values.NI, GT_Values.NI, GT_Values.NI, GT_Values.NI, null, 200, 20)) {
+			Logger.INFO("Added methane extraction for "+ItemUtils.getItemName(aStack));	
+			return true;
+		}
+		return false;
+	}
+	private static boolean addRubberLogCentrifugeRecipe(ItemStack aStack) {
+		GT_Recipe aFoundRecipe = GT_Recipe.GT_Recipe_Map.sCentrifugeRecipes.findRecipe(null, false, gregtech.api.enums.GT_Values.V[1], null, new ItemStack[]{aStack});
+		if (aFoundRecipe == null && GT_Values.RA.addCentrifugeRecipe(GT_Utility.copyAmount(1L, aStack), null, null, Materials.Methane.getGas(60L), ItemList.IC2_Resin.get(1L, new Object[0]), GT_ModHandler.getIC2Item("plantBall", 1L), GT_OreDictUnificator.get(OrePrefixes.dust, Materials.Carbon, 1L), GT_OreDictUnificator.get(OrePrefixes.dust, Materials.Wood, 1L), null, null, new int[] { 5000, 3750, 2500, 2500 }, 200, 20)) {
+			Logger.INFO("Added rubber plant based methane extraction for "+ItemUtils.getItemName(aStack));	
+			return true;
+		}
+		return false;
+	}
+	
+	public static void processLogsForMethane() {
+		//Try use all woods found, fix/add methane extraction.
+		if (!aLogData.isEmpty()) {
+			Logger.INFO("Fixing Methane output of centrifuged logs.");
+			for (ItemStack stack : aLogData) {				
+				addCentrifugeRecipe(stack);
+			}			
+		}		
+	}
+
+}